CN104477275A - Automobile auxiliary frame positioning method - Google Patents
Automobile auxiliary frame positioning method Download PDFInfo
- Publication number
- CN104477275A CN104477275A CN201410618798.6A CN201410618798A CN104477275A CN 104477275 A CN104477275 A CN 104477275A CN 201410618798 A CN201410618798 A CN 201410618798A CN 104477275 A CN104477275 A CN 104477275A
- Authority
- CN
- China
- Prior art keywords
- subframe
- frame
- sheet metal
- main
- positioning tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an automobile auxiliary frame positioning method. The automobile auxiliary frame positioning method comprises the following steps: firstly, two auxiliary positioning holes are formed in the main sheet metal part of the auxiliary frame and the main sheet metal part of a main frame at corresponding positions, respectively; secondly, the auxiliary frame is integrally connected with a positioning fixture; thirdly, the auxiliary frame with the positioning fixture is butted with the main frame, and during butting, two positioning pins on the positioning fixture are correspondingly inserted into the two auxiliary positioning holes of the main sheet metal part of the main frame; finally, the auxiliary frame and the main frame are fastened and connected by use of a connecting bolt and a fastening nut at the positions of the connecting holes, and then the lock pins are pulled out and the positioning fixture is taken down. According to the automobile auxiliary frame positioning method, the fixture is simple in structure, low in cost, reliable in positioning and easy to implement; besides, the fixture is convenient and quick to demount and high in efficiency without other auxiliary facilities; as a result, the requirement of batch assembly of a general assembly shop can be met.
Description
Technical field
The present invention relates to car assembling technology, specifically relate to localization method when a kind of automobile accessory frame and main car frame are installed, belong to car assembling technical field.
Background technology
Car assembling is a very complicated and fastidious job, and not only parts are numerous, and some parts is bulky, is polymorphic structure, and location during assembling is often more difficult.Wherein subframe is just more outstanding with the installation orientation problem of main car frame, this is because subframe and main car frame are all polymorphic structures, subframe and main car frame are mainly made up of the sheet metal component of weld together simultaneously, and the thermal deformation in welding process adds difficulty also to location during assembling.
During practical set, in order to subframe is arranged on main car frame, assembly station is equipped with locating platform specially, locating platform is provided with special fixture for subframe is fixed on locating platform, then mobile position platform, subframe is aimed at main car frame coincide, and then both are fixed connection in connection bit.Existing locating platform is similar to both hands, subframe is gripped the position moving to again and aim at main car frame, although location also can be realized, but due to special locating platform will be arranged, and want mobile position platform, need supporting corresponding power plant, therefore the input ratio of frock is comparatively large, also can affect practical set effect to the location of subframe on locating platform simultaneously.And actual location effect also depends on the actual situation that puts in place of locating platform, and this actual situation that puts in place is relevant with operator, therefore current assembling and positioning method can not be guaranteed the conformability of assembling to cause finally assembling effect uneven.
Summary of the invention
For prior art above shortcomings, the object of the present invention is to provide that a kind of cost is low, convenient to use, the guaranteed automobile accessory frame localization method of locating effect.
To achieve these goals, the technical solution used in the present invention is such:
Automobile accessory frame localization method, this method first Design Orientation need automobile accessory frame positioning tool, described positioning tool comprises a transverse arm, and transverse arm two ends are vertically installed with parallel and towards identical locating dowel pin, the spacing of two locating dowel pins is corresponding with two auxiliary positioning holes on the main sheet metal component of subframe; Two locating dowel pin peripheries offer a ring annular groove respectively, and the distance of circular groove distance transverse arm is corresponding with the thickness of the main sheet metal component of subframe; Circular groove offers radial direction through hole, and radial direction through hole is equipped with lock pin through this through hole subframe and this frock to be connected as one; Described lock pin is made up of tapered end, locking section and elastic compression section, locking section and elastic compression section are positioned at tapered end the same side, tapered end size is greater than radial direction through hole diameter, and locking section is inserted in radial direction through hole, and elastic compression section is used for utilizing its elastic compression in locating dowel pin circular groove;
Then adopt this positioning tool can carry out installation and the location of automobile accessory frame, concrete steps are as follows,
1) auxiliary positioning hole is preset: on the main sheet metal component of subframe, two auxiliary positioning holes are set respectively with correspondence position on the main sheet metal component of main car frame; The spacing of two locating dowel pins on automobile accessory frame positioning tool is corresponding with this auxiliary positioning pitch of holes and size;
2) subframe connects with positioning tool: by corresponding for two locating dowel pins on positioning tool two auxiliary positioning holes of inserting on the main sheet metal component of subframe, then lock pin locking section is inserted in radial direction through hole, elastic compression section utilizes its elastic compression in locating dowel pin circular groove, with by main for subframe sheet metal component locking and between transverse arm and lock pin, subframe and positioning tool are connected as one;
3) subframe docks with main car frame: docked with main car frame by the subframe that positioning tool is housed again, and during docking, two locating dowel pin correspondences on positioning tool are inserted in two auxiliary positioning holes on the main sheet metal component of main car frame, and now subframe docks with main car frame and puts in place;
4) subframe and main car frame are fixed: both be fastenedly connected by tie bolt and clamp nut at subframe and main car frame connecting bore position, then extracted by lock pin, take off positioning tool.
The tapered end of described lock pin, locking section and elastic compression section are formed by the bending of spring wire one.
Further, form closing-in structure between described elastic compression g. slice header and locking section, this closing-in structure, can resilience be buckled in less position by locating dowel pin maximum position when lock pin is in place.Meanwhile, the head steel wire forming elastic compression section forms level and smooth guide frame to deviating from the complete folding in locking section direction, and the arcuate structure of recycling circular groove, lock pin just can be easily installed on locating dowel pin and not come off, and realizes locking.
Compare existing platform location technology, the present invention has following beneficial effect:
1, positioning tool structure is simple, with low cost, and location is reliable, easily realizes.
2, convenient to disassembly, efficiency is high, and does not need other auxiliary facilities, can realize the matching requirements of assembly shop batch.
3, this localization method, produce except may be used for auto assembly, also well solve outside factory and keep in repair the difficult orientation problem of subframe, to avoid in vehicle use procedure when dismounting subframe, because assembly error is excessive, the following negative effect that may cause: 1) affect vehicular four wheels positional parameter adjustment difficulty; 2) about suspension, front and back are asymmetric, difficulty when causing assembling miscellaneous part; 3) chassis part loss may be accelerated and reduce service life.
Accompanying drawing explanation
Fig. 1-positioning tool structural representation of the present invention.
Fig. 2-Fig. 1 partial enlarged drawing.
Fig. 3-detent configuration figure of the present invention.
Fig. 4-positioning tool of the present invention and subframe fiting effect figure.
Fig. 5-the present invention by positioning tool by main car frame and subframe locating effect figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Automobile accessory frame localization method of the present invention, first the automobile accessory frame positioning tool of Design Orientation needs, the structure of this positioning tool can see Fig. 1 and Fig. 2, upper as can be seen from figure, it comprises a transverse arm 1, it is corresponding with two auxiliary positioning holes on the main sheet metal component of subframe that transverse arm 1 two ends are vertically installed with parallel and towards identical locating dowel pin 2, two locating dowel pin 2 spacing.Two locating dowel pin 2 peripheries offer a ring annular groove 3 respectively, and the distance of circular groove distance transverse arm is corresponding with the thickness of the main sheet metal component of subframe.Circular groove 3 offers radial direction through hole 4, and radial direction through hole is equipped with lock pin 5 through this through hole subframe and this frock to be connected as one.
Transverse arm of the present invention, as the main body of positioning tool, have stronger non-deformability, requires that width and thickness are as far as possible little, to realize light-weight design, also can reduce material materials simultaneously, reduce costs.Illustrate: transverse arm also according to the concrete shape of subframe, can make corresponding change.
Locating dowel pin: locating dowel pin is welded on transverse arm, locating dowel pin need be processed with lock pin perforation and anticreep position-limited trough (circular groove) simultaneously.
Further, see Fig. 3, described lock pin 5 is made up of tapered end 6, locking section 7 and elastic compression section 8, locking section 7 and elastic compression section 8 are positioned at tapered end 6 the same side, tapered end size is greater than radial direction through hole diameter, locking section is inserted in radial direction through hole, and elastic compression section is used for utilizing its elastic compression in locating dowel pin circular groove.
The tapered end of described lock pin, locking section and elastic compression section are formed by the spring wire one bending with fine intensity, and the processing of this structure is simple, and cost is low.
Further, form closing-in structure between described elastic compression g. slice header and locking section, this closing-in structure, can resilience be buckled in less position by locating dowel pin maximum position when lock pin is in place.Meanwhile, the head steel wire forming elastic compression section forms level and smooth guide frame to deviating from the complete folding in locking section direction, and the arcuate structure of recycling circular groove, lock pin just can be easily installed on locating dowel pin and not come off, and realizes locking.And lock pin of the present invention only makes subframe and positioning tool temporarily connect as one, after subframe and main car frame are seated, need to throw off lock pin and frock is taken off, so such detent configuration meets operating needs completely.
After above-mentioned positioning tool designs, can carry out automobile accessory frame and main car frame installation and locating method, concrete position fixing process is as follows,
1) auxiliary positioning hole is preset: on the main sheet metal component of subframe, two auxiliary positioning holes are set respectively with correspondence position on the main sheet metal component of main car frame; The spacing of two locating dowel pins on automobile accessory frame positioning tool is corresponding with this auxiliary positioning pitch of holes and size; Just no longer working in this auxiliary positioning hole after general assembly puts in place, still can stay on major-minor bicycle frame, so the selection in auxiliary positioning hole should not affect intensity and visual effect.
2) subframe 9 is connected with positioning tool: see Fig. 4, two locating dowel pin 2 correspondences on positioning tool are inserted in two auxiliary positioning holes on the main sheet metal component of subframe 9, then lock pin 5 locking section is inserted in radial direction through hole 4, elastic compression section utilizes its elastic compression in locating dowel pin circular groove, with by main for subframe sheet metal component locking and between transverse arm and lock pin, subframe and positioning tool are connected as one.
3) subframe 9 docks with main car frame 10: see Fig. 5, again the subframe that positioning tool is housed is docked with main car frame, during docking, two locating dowel pin correspondences on positioning tool are inserted in two auxiliary positioning holes on the main sheet metal component of main car frame, and now subframe docks with main car frame and puts in place.
4) subframe and main car frame are fixed: both be fastenedly connected by tie bolt and clamp nut at subframe and main car frame connecting bore position, then extracted by lock pin, take off positioning tool.Although lock pin is between subframe and main car frame sheet metal component, because two sheet metal component spacing are very large, so can (by clamp) be taken off by lock pin easily
During the fastening subframe tie bolt of the present invention, must ensure that locating dowel pin coordinates with vehicle body knock hole and put in place.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. automobile accessory frame localization method, it is characterized in that: the automobile accessory frame positioning tool of this method first Design Orientation needs, described positioning tool comprises a transverse arm, transverse arm two ends are vertically installed with parallel and towards identical locating dowel pin, the spacing of two locating dowel pins is corresponding with two auxiliary positioning holes on the main sheet metal component of subframe; Two locating dowel pin peripheries offer a ring annular groove respectively, and the distance of circular groove distance transverse arm is corresponding with the thickness of the main sheet metal component of subframe; Circular groove offers radial direction through hole, and radial direction through hole is equipped with lock pin through this through hole subframe and this frock to be connected as one; Described lock pin is made up of tapered end, locking section and elastic compression section, locking section and elastic compression section are positioned at tapered end the same side, tapered end size is greater than radial direction through hole diameter, and locking section is inserted in radial direction through hole, and elastic compression section is used for utilizing its elastic compression in locating dowel pin circular groove;
Then adopt this positioning tool can carry out installation and the location of automobile accessory frame, concrete steps are as follows,
1) auxiliary positioning hole is preset: on the main sheet metal component of subframe, two auxiliary positioning holes are set respectively with correspondence position on the main sheet metal component of main car frame; The spacing of two locating dowel pins on automobile accessory frame positioning tool is corresponding with this auxiliary positioning pitch of holes and size;
2) subframe connects with positioning tool: by corresponding for two locating dowel pins on positioning tool two auxiliary positioning holes of inserting on the main sheet metal component of subframe, then lock pin locking section is inserted in radial direction through hole, elastic compression section utilizes its elastic compression in locating dowel pin circular groove, with by main for subframe sheet metal component locking and between transverse arm and lock pin, subframe and positioning tool are connected as one;
3) subframe docks with main car frame: docked with main car frame by the subframe that positioning tool is housed again, and during docking, two locating dowel pin correspondences on positioning tool are inserted in two auxiliary positioning holes on the main sheet metal component of main car frame, and now subframe docks with main car frame and puts in place;
4) subframe and main car frame are fixed: both be fastenedly connected by tie bolt and clamp nut at subframe and main car frame connecting bore position, then extracted by lock pin, take off positioning tool.
2. automobile accessory frame localization method according to claim 1, is characterized in that: the tapered end of described lock pin, locking section and elastic compression section are formed by the bending of spring wire one.
3. automobile accessory frame localization method according to claim 1, is characterized in that: form closing-in structure between described elastic compression g. slice header and locking section, and the head steel wire forming elastic compression section forms level and smooth guide frame to deviating from the complete folding in locking section direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618798.6A CN104477275B (en) | 2014-11-06 | 2014-11-06 | Automobile auxiliary frame positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618798.6A CN104477275B (en) | 2014-11-06 | 2014-11-06 | Automobile auxiliary frame positioning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104477275A true CN104477275A (en) | 2015-04-01 |
| CN104477275B CN104477275B (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410618798.6A Expired - Fee Related CN104477275B (en) | 2014-11-06 | 2014-11-06 | Automobile auxiliary frame positioning method |
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| CN (1) | CN104477275B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108026951A (en) * | 2015-09-11 | 2018-05-11 | 标致雪铁龙汽车股份有限公司 | The fixing device of bumper and body component |
| CN109746851A (en) * | 2019-03-11 | 2019-05-14 | 汉腾汽车有限公司 | A kind of automobile accessory frame panel sub-assembling platform tooling |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0728658A1 (en) * | 1995-02-24 | 1996-08-28 | Adam Opel Ag | Rear axle for a motor vehicle |
| JPH09123960A (en) * | 1995-10-30 | 1997-05-13 | Honda Motor Co Ltd | Mounting method and device for suspension on vehicle body |
| FR2878494B1 (en) * | 2004-11-30 | 2008-07-04 | Renault Sas | METHOD FOR ASSEMBLING TWO VEHICLE PARTS USING A BINDING PIECE |
| CN202078929U (en) * | 2011-05-19 | 2011-12-21 | 江苏牧羊集团有限公司 | Fixing structure for pin shaft of grinder |
| CN102464035A (en) * | 2010-11-04 | 2012-05-23 | 中国第一汽车集团公司 | Assembly system structure of sub-frame |
| CN203062645U (en) * | 2012-11-29 | 2013-07-17 | 塔奥（芜湖）汽车制品有限公司 | Flexible automobile auxiliary frame assembly fixture |
-
2014
- 2014-11-06 CN CN201410618798.6A patent/CN104477275B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0728658A1 (en) * | 1995-02-24 | 1996-08-28 | Adam Opel Ag | Rear axle for a motor vehicle |
| JPH09123960A (en) * | 1995-10-30 | 1997-05-13 | Honda Motor Co Ltd | Mounting method and device for suspension on vehicle body |
| FR2878494B1 (en) * | 2004-11-30 | 2008-07-04 | Renault Sas | METHOD FOR ASSEMBLING TWO VEHICLE PARTS USING A BINDING PIECE |
| CN102464035A (en) * | 2010-11-04 | 2012-05-23 | 中国第一汽车集团公司 | Assembly system structure of sub-frame |
| CN202078929U (en) * | 2011-05-19 | 2011-12-21 | 江苏牧羊集团有限公司 | Fixing structure for pin shaft of grinder |
| CN203062645U (en) * | 2012-11-29 | 2013-07-17 | 塔奥（芜湖）汽车制品有限公司 | Flexible automobile auxiliary frame assembly fixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108026951A (en) * | 2015-09-11 | 2018-05-11 | 标致雪铁龙汽车股份有限公司 | The fixing device of bumper and body component |
| CN109746851A (en) * | 2019-03-11 | 2019-05-14 | 汉腾汽车有限公司 | A kind of automobile accessory frame panel sub-assembling platform tooling |
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| Publication number | Publication date |
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| CN104477275B (en) | 2017-05-17 |
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Granted publication date: 20170517 Termination date: 20191106 |